Recognised as Colour
#C83527
- #C83527
- Red
- Dark
- Nearest: Firebrick
#C83527 is a red with RGB values 200, 53, 39 and HSL 5°, 67%, 47%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Firebrick.
Colour values
#C83527#C83527
HEX#C83527
RGBrgb(200, 53, 39)
RGB (0–1)0.7843, 0.2078, 0.1529
RGB percentages78.4%, 20.8%, 15.3%
HSLhsl(5.2, 67.4%, 46.9%)
HSV / HSBhsv(5.2, 80.5%, 78.4%)
CMYK0%, 73.5%, 80.5%, 21.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,120,807
CSS custom property--colour: #C83527;
Brightness & contrast
Relative luminance0.14972WCAG 2.x, 0 is black and 1 is white
Perceived brightness117.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.26:1
Contrast with white5.26:1WCAG normal text: AA
Contrast with black3.99:1WCAG normal text: Fail
Greyscale equivalent#535353
Inverted#37CAD8
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.26:1WCAG large text: AAA
Contrast with black, large text3.99:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#27BAC8
Analogous#C8276A, #C88527
Triadic#27C835, #3527C8
Split complementary#27C885, #276AC8
Tetradic#6AC827, #27BAC8, #8527C8
Tints, shades & saturation
Channel breakdown
R200
G53
B39
Red200 (78.4%)
Green53 (20.8%)
Blue39 (15.3%)
Hue5.22°
Saturation (HSL)67.36%
Lightness46.86%
Dominant channelRed
Hex per channelR C8 · G 35 · B 27
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Also reads as
C83527 (chemical formula)
- Formula
- 1,003,242.797 g/mol
- 83527 atoms
C83527 has a molar mass of 1,003,242.797 g/mol, made up of 83527 atoms across 1 element: 83527 × C.
Molar mass
Molar mass1,003,242.797 g/mol
Total atoms per molecule83527
Distinct elements1
Mass of one molecule1.6659239 × 10^-18 g
Molecules per gram6.0026753 × 10^17
Name
NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show
Composition by mass
C100%
Carbon (C × 83527)1,003,242.797 g/mol, 100%
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